13151440033 has 4 divisors (see below), whose sum is σ = 13153330368. Its totient is φ = 13149549700.

The previous prime is 13151440019. The next prime is 13151440051. The reversal of 13151440033 is 33004415131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13151440033 - 2³³ = 4561505441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13151440013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934693 + ... + 948658.

It is an arithmetic number, because the mean of its divisors is an integer number (3288332592).

Almost surely, 2^13151440033 is an apocalyptic number.

It is an amenable number.

13151440033 is a deficient number, since it is larger than the sum of its proper divisors (1890335).

13151440033 is an equidigital number, since it uses as much as digits as its factorization.

13151440033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890334.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13151440033 its reverse (33004415131), we get a palindrome (46155855164).

The spelling of 13151440033 in words is "thirteen billion, one hundred fifty-one million, four hundred forty thousand, thirty-three".